Psychedelic substances are increasingly being used under medical supervision to treat anxiety disorders and depression. However, the mechanisms by which these substances influence our perception and ...

Hallucinations are unreal sensory experiences, such as hearing or seeing something that is not there. Any of our five senses (vision, hearing, taste, smell, touch) can be involved. Most often, when we ...

New research shows how psychedelics alter visual processing and boost memory-linked brain circuits to generate hallucinations, revealing mechanisms with therapeutic implications.

Migraine is a neurological condition that affects about 39 million people in the United States. Aura symptoms can include trouble speaking, tingling, weakness, or vision changes. Visual aura is common ...

A man with schizophrenia has shared footage of the moment a service dog came to his aid after he began experiencing "visual hallucinations." Schizophrenia—a mental health condition that manifests ...

Dr. Oliver Sacks is probably best known as the real inspiration for the caring neurologist portrayed by Robin Williams in the Oscar-nominated film, Awakenings, which was based on his autobiographical ...

Have you ever felt the strong sensation that someone is behind you, so intense that you turn around, only to see that no-one is there? This is a 'presence hallucination'. Presence hallucinations are ...

Charles Bonnet syndrome is a condition in which someone with poor vision experiences visual hallucinations, or seeing things that aren’t there. It occurs in individuals who have lost a significant ...